code: def __init__(self, value, fun, args, kwargs, parent_argnums, parents):
      self.fun_name = fun.__name__
      self.args = args
      self.parents = dict(zip(parent_argnums, parents))
      self.isroot = False
  
file_path: autograd/examples/dot_graph.py
imports: from __future__ import print_function
  import autograd.numpy
  from autograd.tracer import trace, Node
  from autograd import grad
label_desc: Use image node_id 1 to create a new GraphNode object from inherited base classes: Node with example: obj = GraphNode(value, fun, args, kwargs, parent_argnums, parents)